watchOS 5.2 (build 16T5212e) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-03-04T18:11:03Z. The update package is 456.87 MB. This is a delta (partial) update that requires 5.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f217c414b0023ce16586bddb54bb2a897f9d9fee.zip.